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# templates

## Name

templates --

## Synopsis

    int         xsltEvalXPathPredicate          (xsltTransformContextPtr ctxt,
                                                 xmlXPathCompExprPtr comp,
                                                 xmlNsPtr *nsList,
                                                 int nsNr);
    xmlChar*    xsltEvalTemplateString          (xsltTransformContextPtr ctxt,
                                                 xmlNodePtr node,
                                                 xmlNodePtr parent);
    xmlChar*    xsltEvalAttrValueTemplate       (xsltTransformContextPtr ctxt,
                                                 xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *ns);
    xmlChar*    xsltEvalStaticAttrValueTemplate (xsltStylesheetPtr style,
                                                 xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *ns,
                                                 int *found);
    xmlChar*    xsltEvalXPathString             (xsltTransformContextPtr ctxt,
                                                 xmlXPathCompExprPtr comp);
    xmlChar*    xsltEvalXPathStringNs           (xsltTransformContextPtr ctxt,
                                                 xmlXPathCompExprPtr comp,
                                                 int nsNr,
                                                 xmlNsPtr *nsList);
    xmlNodePtr* xsltTemplateProcess             (xsltTransformContextPtr ctxt,
                                                 xmlNodePtr node);
    xmlAttrPtr  xsltAttrListTemplateProcess     (xsltTransformContextPtr ctxt,
                                                 xmlNodePtr target,
                                                 xmlAttrPtr cur);
    xmlAttrPtr  xsltAttrTemplateProcess         (xsltTransformContextPtr ctxt,
                                                 xmlNodePtr target,
                                                 xmlAttrPtr attr);
    xmlChar*    xsltAttrTemplateValueProcess    (xsltTransformContextPtr ctxt,
                                                 const xmlChar *attr);
    xmlChar*    xsltAttrTemplateValueProcessNode
                                                (xsltTransformContextPtr ctxt,
                                                 const xmlChar *str,
                                                 xmlNodePtr node);

## Description

## Details

### xsltEvalXPathPredicate ()

    int         xsltEvalXPathPredicate          (xsltTransformContextPtr ctxt,
                                                 xmlXPathCompExprPtr comp,
                                                 xmlNsPtr *nsList,
                                                 int nsNr);

Process the expression using XPath and evaluate the result as an XPath predicate

`ctxt` : | the XSLT transformation context
`comp` : | the XPath compiled expression
`nsList` : | the namespaces in scope
`nsNr` : | the number of namespaces in scope
Returns : | 1 is the predicate was true, 0 otherwise

### xsltEvalTemplateString ()

    xmlChar*    xsltEvalTemplateString          (xsltTransformContextPtr ctxt,
                                                 xmlNodePtr node,
                                                 xmlNodePtr parent);

Evaluate a template string value, i.e. the parent list is interpreter as template content and the resulting tree string value is returned This is needed for example by xsl:comment and xsl:processing-instruction

`ctxt` : | the XSLT transformation context
`node` : | the stylesheet node
`parent` : | the content parent
Returns : | the computed string value or NULL, must be deallocated by the caller.

### xsltEvalAttrValueTemplate ()

    xmlChar*    xsltEvalAttrValueTemplate       (xsltTransformContextPtr ctxt,
                                                 xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *ns);

Evaluate a attribute value template, i.e. the attribute value can contain expressions contained in curly braces ({}) and those are substituted by they computed value.

`ctxt` : | the XSLT transformation context
`node` : | the stylesheet node
`name` : | the attribute QName
`ns` : | the attribute namespace URI
Returns : | the computed string value or NULL, must be deallocated by the caller.

### xsltEvalStaticAttrValueTemplate ()

    xmlChar*    xsltEvalStaticAttrValueTemplate (xsltStylesheetPtr style,
                                                 xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *ns,
                                                 int *found);

Check if an attribute value template has a static value, i.e. the attribute value does not contain expressions contained in curly braces ({})

`style` : | the XSLT stylesheet
`node` : | the stylesheet node
`name` : | the attribute Name
`ns` : | the attribute namespace URI
`found` : | indicator whether the attribute is present
Returns : | the static string value or NULL, must be deallocated by the caller.

### xsltEvalXPathString ()

    xmlChar*    xsltEvalXPathString             (xsltTransformContextPtr ctxt,
                                                 xmlXPathCompExprPtr comp);

Process the expression using XPath and get a string

`ctxt` : | the XSLT transformation context
`comp` : | the compiled XPath expression
Returns : | the computed string value or NULL, must be deallocated by the caller.

### xsltEvalXPathStringNs ()

    xmlChar*    xsltEvalXPathStringNs           (xsltTransformContextPtr ctxt,
                                                 xmlXPathCompExprPtr comp,
                                                 int nsNr,
                                                 xmlNsPtr *nsList);

Process the expression using XPath, allowing to pass a namespace mapping context and get a string

`ctxt` : | the XSLT transformation context
`comp` : | the compiled XPath expression
`nsNr` : | the number of namespaces in the list
`nsList` : | the list of in-scope namespaces to use
Returns : | the computed string value or NULL, must be deallocated by the caller.

### xsltTemplateProcess ()

    xmlNodePtr* xsltTemplateProcess             (xsltTransformContextPtr ctxt,
                                                 xmlNodePtr node);

Process the given node and return the new string value.

`ctxt` : | the XSLT transformation context
`node` : | the attribute template node
Returns : | the computed tree replacement

### xsltAttrListTemplateProcess ()

    xmlAttrPtr  xsltAttrListTemplateProcess     (xsltTransformContextPtr ctxt,
                                                 xmlNodePtr target,
                                                 xmlAttrPtr cur);

Do a copy of an attribute list with attribute template processing

`ctxt` : | the XSLT transformation context
`target` : | the element where the attributes will be grafted
`cur` : | the first attribute
Returns : | a new xmlAttrPtr, or NULL in case of error.

### xsltAttrTemplateProcess ()

    xmlAttrPtr  xsltAttrTemplateProcess         (xsltTransformContextPtr ctxt,
                                                 xmlNodePtr target,
                                                 xmlAttrPtr attr);

Process the given attribute and return the new processed copy.

`ctxt` : | the XSLT transformation context
`target` : | the result node
`attr` : |
Returns : | the attribute replacement.

### xsltAttrTemplateValueProcess ()

    xmlChar*    xsltAttrTemplateValueProcess    (xsltTransformContextPtr ctxt,
                                                 const xmlChar *attr);

Process the given node and return the new string value.

`ctxt` : | the XSLT transformation context
`attr` : |
Returns : | the computed string value or NULL, must be deallocated by the caller.

### xsltAttrTemplateValueProcessNode ()

    xmlChar*    xsltAttrTemplateValueProcessNode
                                                (xsltTransformContextPtr ctxt,
                                                 const xmlChar *str,
                                                 xmlNodePtr node);

Process the given string, allowing to pass a namespace mapping context and return the new string value.

`ctxt` : | the XSLT transformation context
`str` : | the attribute template node value
`node` : | the node hosting the attribute
Returns : | the computed string value or NULL, must be deallocated by the caller.

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